Docker

docker doc

• http://www.widuu.com/chinese_docker/
• https://docs.docker.com/
• https://hub.docker.com/

docker begin

• install docker on mac
• docker run hello-world

>docker run hello-world

• docker run docker/whalesay cowsay boo

>docker run docker/whalesay cowsay boo

• docker images - list all images on your local system

bash-3.2$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
docker-whale        latest              614b79d97fb0        7 days ago          274 MB
yren/docker-whale   latest              614b79d97fb0        7 days ago          274 MB
hello-world         latest              af340544ed62        4 weeks ago         960 B
docker/whalesay     latest              fb434121fc77        3 months ago        247 MB

write a docker file

• mkdir mydockerbuild

$ mkdir mydockerbuild

$ cd mydockerbuild

$ touch Dockerfile

$vi Dockerfile

• add blow content to Dockerfile

FROM docker/whalesay:latest
RUN apt-get -y update && apt-get install -y fortunes
CMD /usr/games/fortune -a | cowsay

• build your new image by typing the "docker build -t docker-whale ."

 docker build -t docker-whale .

publish image to docker hub

• login https://hub.docker.com

• tag and publish image

docker images

find image id for "docker-whale"

$ docker tag 7d9495d03763 maryatdocker/docker-whale:latest
$ docker login --username=maryatdocker --password=uydfiad77fad --email=mary@docker.com
$ docker push maryatdocker/docker-whale

pull new image

• docker rmi

You can use an ID or the name to remove an image.

$ docker rmi -f 7d9495d03763
$ docker rmi -f docker-whale